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HomeAircraftHelicopterMain Discussion › Proper pitch setting
02-07-2006 01:05 AM  12 years agoPost 1
FenderBean

rrElite Veteran

Fort Hood TX

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Hey everyone...........I have been flying helis for years, and have always struggled with this part..........whats the best way to set pitch...........I have a robart pitch guage....here is what I do.......i level the heli the best i can lock the flybar and level it...I level the swashplate........I put the pitch guage about 3-4 inches from the end and lift up on blade tip till its level to compensate for the droop of pitch guage.....but this has to be un accurate since im not completely steady on the blade, plus i could be effecting it just by not holding it on blade cg. I always get a diff pitch setting when i go from low to high, than from high to low. I take the middle of the two as my reading. Im always supect of this and my pitch never seems to feel or act like others. so any advice or have i been newb setting for all these years?

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02-07-2006 01:48 AM  12 years agoPost 2
da_man

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Central NC

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The best way to set pitch is to fly the dam thing. Pitch is usually off about +- 1 about 1 degree or more with pitch gauges anyway.

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02-07-2006 02:01 AM  12 years agoPost 3
Yug

rrMaster

UK. Herts

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parallax

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02-07-2006 02:08 AM  12 years agoPost 4
fbone

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Wayne, NJ

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I'm not sure I understand exactly what you are doing to try and set the pitch, but it certainly doesn't sound like anything I've heard before. The first thing you need to do is be sure that the mechanical set up of the heli is perfect. By that I mean make sure that all of your linkages are the proper length, and that all of the pairs of linkages are exactly the same length as well. Then you need to make sure that all of the trim controls in the radio are centered and that the servo horn is mounted on the servo so it is exactly 90 degrees to the servo. Also make sure that your endpoints in the radio are set to 100% to give you full and equal travel in both directions. If the mechanical setup is correct, then, when all of the above things are done the swashplate should sit right in the middle of the main mast and should have equal travel both up and down. This will give you the same amount of positive and negative pitch. Also note that the mechanical setup of the heli should allow for the MAXIMUM amount of both positive and negative pitch, you then use the radio and your pitch guage to set the pitch curve for any of the the 5, or 7 depending on the radio, points along the curve. For a beginner, use about -3 on the bottom so you can get the heli back down, but not slam it into the ground when you panic and drop the collective. So, the bottom point should be set to around -3, the top point should be set for about +10. Depending on if you want to hover at half stick, or at 3/4 stick, move your throttle stick to that position and be sure your pitch guage reads about +6. Without writing a novel, that's a very watered down way to set your pitch curve.

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02-07-2006 02:08 AM  12 years agoPost 5
Nitrohuffer

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Bloomingburg,NY

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don't lift on the blade, its ok to move the guage in closer to the head.

Lungs transformed to take in water.

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02-07-2006 04:45 AM  12 years agoPost 6
FenderBean

rrElite Veteran

Fort Hood TX

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thanks i do all the other make sure everything is 90 degrees and links are right, i was mainly just wondering about pitch gauge location...........i just set it up again ill give her a go tomorrow

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